A fender liner, AKA inner fender liner, is simply a plastic barrier between the fender and the engine, and it comes installed in most modern truck. In older truck, the inner fender liner tends to be made out of metal, and in more modern truck, thermoplastic, which is a non-corrosive and robust material.
A fender liner, AKA inner fender liner, is simply a plastic barrier between the fender and the engine, and it comes installed in most modern truck. In older truck, the inner fender liner tends to be made out of metal, and in more modern truck, thermoplastic, which is a non-corrosive and robust material.